Table 3 Saturation index values of various mineral phases

Saturation Index Values of Minerals

Arsenolite (As₂O₃)

−47.95

−55.92

−57.39

−50.39

−51.62

−55.43

−49.84

Claudetite (As₂O₃)

−47.66

−55.64

−57.11

−50.11

−51.34

−55.14

−49.56

Boehmite (γ-AlOOH)

−1.45

0.61

0.56

−0.71

−1.10

0.14

−1.76

Diaspore (α-AlOOH)

0.31

2.40

2.34

1.07

0.68

1.90

0.02

Goethite (FeOOH)

1.96

3.86

5.96

4.07

3.85

5.24

2.45

Lepidocrocite (γ-FeOOH)

1.31

3.32

5.39

3.51

3.29

4.60

1.90

Magnetite (Fe₃O₄)

6.53

11.68

17.86

12.70

11.94

15.87

7.95

Gibbsite α-Al(OH)₃

−1.08

1.02

0.96

−0.31

−0.70

0.52

−1.35

Hematite (Fe₂O₃)

6.28

10.08

14.28

10.50

10.06

12.84

7.27

Siderite (FeCO₃)

−4.64

−3.27

−1.55

−2.43

−3.04

−1.49

−3.93

Magnesioferrite Mg(Fe³⁺)₂O₄

−3.13

2.33

6.61

1.60

1.23

4.95

−2.26

Maghemite (γ-Fe₂O₃)

2.99

−1.03

7.13

3.37

2.93

5.55

0.16

Fluorite (CaF₂)

−0.89

−1.86

−1.87

−0.15

−0.03

−0.38

−0.04

Ferrihydrite (∼FeOOH)

−0.79

1.09

3.19

1.30

1.09

2.48

−0.31

Hercynite (Fe²⁺Al₂O₄)

−3.56

1.91

3.78

−0.13

−1.23

2.40

−3.74